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How Much Radiation is Emitted by Popular Smartphones?

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Infographic showing the Radiation emissions of popular smartphones

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Radiation Emissions of Popular Smartphones

Smartphones have become an integral part of our everyday lives. From work and school to daily tasks, these handheld devices have brought everything into the palm of our hands.

Most people spend 5-6 hours on their phones each day. And, given that our phones emit a tiny amount of radiation, we’re exposing ourselves to radiation for hours each day.

But different phones emit different amounts of radiation.

With the help of data collected by the German Federal Office of Radiation Protection, we visualize the radiation emissions of some popular smartphones in the market today.

Radiation and SAR Values of Smartphones

Smartphones and other mobile devices emit tiny amounts of radiofrequency (RF) radiation. Humans can absorb this radiation when the smartphone is being used or is lying dormant anywhere near their bodies.

The parameter used to measure phone radiation emissions is the Specific Absorption Rate (SAR). It is the unit of measurement that represents the quantity of electromagnetic energy absorbed by the body when using a mobile device.

The Council of the European Union has set radiation standards for cell phones at 2 watts per kilogram, measured over the 10 grams of tissue that is absorbing the most signal.

SAR values are calculated at the ear (speaking on the phone) and at the body (kept in your pocket). For the purposes of this article, we’ve used the former calculations.

Smartphones With the Highest Levels of Radiation Emissions

The Motorola Edge has the highest radiation emission with a SAR value of 1.79 watts of radiation per kilogram. That’s significantly higher than most other smartphone models in the market today and close to the limits set by the EU for cellphones.

Coming in second is the Axon 11 5G by ZTE with 1.59, followed by the OnePlus 6T at a close third with 1.55 W/kg. The Sony Experia AX2 Plus with 1.41 and the Google Pixel 3 XL and 3A XL at 1.39 round out the top five.

Here is a look at the 10 smartphones that emit the highest level of radiation:

Smartphones with the lowest level of radiation

Now that we have detailed the worst offenders let’s look at the smartphones with the lowest levels of radiation emissions.

Smartphones With the Lowest Levels of Radiation Emissions

The smartphone with the lowest SAR value is the ZTE Blade V10, with 0.13 watts of radiation per kilogram.

Mobile devices by Samsung carry some of the least radiation risks. The company has four phones considered to be the best in the category. The Galaxy Note 10+ is the best model in their line-up, emitting a meager 0.19 watts per kilogram.

Here is a look at the 10 smartphones that emit the lowest levels of radiation:

Smartphones with the highest level of radiation

There is currently no significant research proving the harmful effects of phone radiation.

Despite this, people who are in contact with their devices for extended periods can at least quantify their radiation exposure and make choices about which brands serve their needs.

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What Would $5,000 Invested in Nvidia Be Worth Today?

Small fortunes have been made for those investing in Nvidia stock. But how much would have they earned if they bought before it skyrocketed?

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What Would $5,000 Invested in Nvidia Be Worth Today?

This was originally posted on our Voronoi app. Download the app for free on iOS or Android and discover incredible data-driven charts from a variety of trusted sources.

Investing in Nvidia has been highly lucrative, especially for investors who got in early.

As America’s largest chipmaker, its stock price has soared given its critical role in powering AI. Last year alone, its share price jumped 272%, vaulting it into becoming one of the world’s most valuable companies.

This graphic shows how much a $5,000 investment in Nvidia would have grown over time, based on data from Yahoo Finance.

Investing in Nvidia Before the AI Boom

Below, we show how much an investment in Nvidia would have increased in value over the last several decades:

Year Invested (January 1st)Stock PriceStarting ValueValue Today (as of Feb 15, 2024)
2000$0.77$5,000$4,718,052
2010$3.85$5,000$943,610
2015$4.80$5,000$756,854
2020$59.11$5,000$61,460
2023$195.37$5,000$18,595

For those who bought in 2000, a $5,000 investment would be worth over $4.7 million today, with Nvidia’s stock price rising 94,261% over the time period.

At the time, Nvidia had just invented its graphics processing unit (GPU), which allowed computer graphics to render more seamlessly in video games and video editing. These high-performance units complete complex computing tasks, and Nvidia was creating leading technology at the time.

Over the last decade, Nvidia has increasingly focused on AI technology, with key developments launching as early as 2012. Yet it was not until 2020 when its share price really began to soar as the company’s end customer segments increasingly became data centers and cloud computing, alongside video games.

In fact, since 2020 alone, its share price has soared 1,129%—making a $5,000 investment worth twelve times as much today.

So far this year, its stock price shows no sign of stopping, driven by its outsized role in the AI chipmaking market. Roughly 70% of all chips are sold by Nvidia, outpacing key competitor AMD by a landslide.

The company’s Q4 revenues topped $22 billion, setting another historical record, amounting to a 265% year-over-year increase in revenues. In 2023, Nvidia sold 2.5 million chips with customers including OpenAI, Microsoft, Meta Platforms, and Alphabet. The price range for these chips can span anywhere from $16,000 to $100,000.

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